Map of flight path from Cairns to Port Moresby.
Shortest flight path between Cairns Airport (CNS) and Port Moresby Jacksons International Airport (POM).
How far is Port Moresby from Cairns?
There are several ways to calculate distances between Cairns and Port Moresby. Here are two common methods:Vincenty's formula (applied above)
- 521.040 miles
- 838.533 kilometers
- 452.772 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 523.567 miles
- 842.600 kilometers
- 454.968 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
There is no time difference between Cairns and Port Moresby.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 102 kg (224 pounds).
Frequent Flyer Miles Calculator
Cairns (CNS) → Port Moresby (POM).